diff --git a/include/storage/shared_monitor.hpp b/include/storage/shared_monitor.hpp
index 22400b209..5289747e2 100644
--- a/include/storage/shared_monitor.hpp
+++ b/include/storage/shared_monitor.hpp
@@ -146,7 +146,7 @@ template <typename Data> struct SharedMonitor
     // like two-turnstile reusable barrier or boost/interprocess/sync/spin/condition.hpp
     // fail if a waiter is killed.
 
-    static constexpr int buffer_size = 4096;
+    static constexpr int buffer_size = 4096 * 4;
 
     struct InternalData
     {
diff --git a/package.json b/package.json
index 012dd76ba..4e5f738c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "osrm",
-  "version": "5.18.0-moarshm.2",
+  "version": "5.18.0-moarshm.3",
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++14 designed to run on OpenStreetMap data.",
   "dependencies": {